bench_classes.py
        0.43 real         0.37 user         0.02 sys
   4825088  maximum resident set size

bench_namedtuple.py
        0.45 real         0.44 user         0.00 sys
   5165056  maximum resident set size

bench_namedtuple_index.py
        0.45 real         0.44 user         0.00 sys
   5160960  maximum resident set size

bench_namedtuple_subclass.py
        0.44 real         0.43 user         0.00 sys
   5091328  maximum resident set size

bench_slots.py
        0.35 real         0.34 user         0.00 sys
   4718592  maximum resident set size